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[ Upstream commit414f65d673] Initialize struct apple_smc's mutex in apple_smc_probe(). Using the mutex uninitialized surprisingly resulted only in occasional NULL pointer dereferences in apple_smc_read() calls from the probe() functions of sub devices. Cc: stable@vger.kernel.org Fixes:e038d985c9("mfd: Add Apple Silicon System Management Controller") Signed-off-by: Janne Grunau <j@jannau.net> Reviewed-by: Sven Peter <sven@kernel.org> Reviewed-by: Neal Gompa <neal@gompa.dev> Link: https://patch.msgid.link/20251231-macsmc-mutex_init-v2-1-5818c9dc9b29@jannau.net Signed-off-by: Lee Jones <lee@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
500 lines
13 KiB
500 lines
13 KiB